D3655-US Revision C October 10, 2005
Fort Atkinson, Wisconsin USA
Helden-Beringe, The Netherlands
www.digi-star.com
EZ 400
This page intentionally left blank.
Operators Manual
D3655-US
Getting Started
Installing EZ 400 Indicator ............... 1
Appendix A
Optional Settings ............................. 5
Appendix B
Short Form Calibration .................. 10
Appendix C
Weigh Methods.............................. 12
Appendix D
Weighing Errors............................. 13
Appendix E
Troubleshooting Guide .................. 14
EZ 400
This page intentionally left blank.
Operators Manual
D3655-US
1
The Digi-Star EZ 400 indicator is a highly reliable scale designed for
mobile weighing. This indicator can be connected to various load cell
systems.
The EZ 400 has three standard methods of mounting the indicator plus
the optional RAM mount is available.
Rail Mount (Included) Wing Mount (Included)
Wedge Mount (Included) Ram Mount (Optional)
Power can be obtained directly from a 12VDC battery or from a 120V or
220V AC power cube that plugs into a wall outlet. Attach the power
cable to the POWER connector located on the bottom panel of the
scale.
Connect the RED wire from the power cable to +12VDC and the BLACK
wire to GROUND. The indicator is fused internally at two amps.
Warning! Disconnect the indicator power cord before jump-
starting or fast charging a battery.
Disconnect all indicator leads before welding on
equipment. Damage may occur to the indicator and
load cells.
EZ 400
2
Wire Color Wire Function
RED Battery (+12Vdc)
BLACK GROUND
ORANGE Not Used
BLUE Not Used
The indicator operates with strain gage
load cells. The system is normally
supplied with a J-BOX cable going from
the scale indicator to the load cell J-
box. Extension Kits are available from
your dealer in various lengths. To
connect the load cells, attach the J-box
cable to the LOAD CELL connector on
the bottom panel of the scale. Connect
the load cell cables to the J-box. Follow
color key on circuit board to insure
proper connection of load cell wires.
Terminal Description
WHITE SIGNAL +
GREEN SIGNAL -
RED EXCITATION +
BLACK EXICTATION –
SHIELD SHIELD
If connecting to load cells other than those that were provided with your
system, the indicator must be calibrated. Refer to calibration
procedures (page 10-11) or contact your Digi-Star representative for
assistance.
Stationary systems should use “Lightning-Protected” J-boxes that allow
you to install ground rods. This provides protection to the scale when
lightning strikes nearby. Please call your Digi-Star representative to
request Form F3050.
Operators Manual
D3655-US
3
Press [On/Off].
A brief “HELLO” message will be displayed. The scale enters the
GROSS weighing mode.
GROSS mode displays the weight change since the unit was last
ZERO/BALANCED.
ZERO BALANCE THE SCALE
Press [Gross/Net] and within three seconds, press the [Zero] key.
“0” is displayed to show completion of the step and the scale is put in
the GROSS mode.
GROSS mode displays the weight change since the unit was last
ZERO/BALANCED.
The scale is in GROSS mode if there is a flashing arrow pointing toward
the GROSS text just above the [On/Off] key.
NET mode displays the weight change after a TARE has been
performed. TARE is a temporary “zero” point. The scale is in NET
mode if there is a flashing arrow near the NET text in the lower left
corner of the display.
On EZ 400 indicators with “Print” feature, press and hold the [print/tare]
button for 3 seconds to “Tare” the scale. Press the button momentarily
for “Print”.
[Gross/Net] is an alternating-action key. If the scale is in the GROSS
mode, press [Gross/Net] to place it in the NET mode. If the scale is in
the NET mode, press [Gross/Net] to place it in the GROSS mode.
!"
The SERIAL option allows “Print “ data from the EZ 400 to be
transferred to a Data-Down-Loader (DDL). This data can then be
transferred to a PC using a data cable and Data Transfer Utilities (DTU)
software provided with your DDL. See the DDL manual (PN D3564) for
further details.
1. Connect the DDL to the SERIAL port on the bottom panel of the
EZ 400.
2. Press [Print] while the DDL is connected to the SERIAL port.
EZ 400
4
Press [On/Off] until “BYE” is displayed.
Operators Manual
D3655-US
5
#
The Indicator has optional settings that allow flexibility in the way that
the scale is used and data is collected.
Enter the Long Form Setup by holding [Gross-Net] and pushing [On/Off]
for three seconds.
1. Press [On/Off] to advance to the desired parameter.
2. Press [Net/Gross] to advance to the proper setting.
3. Press [On/Off] to save setting and advance to the next
parameter.
4. Hold [Tare] and press [On/Off] to return to indicator operation.
Default settings from the factory vary with options and due to customer
preferences. Default settings for the EZ 400 with Cab Control option
are found in the Cab Control 400 Operators manual PN D3674.
!
"
! #
#
$%&
Menu #4 is not used.
EZ 400
6
!
"
#
#
!
$%&
Menu #4 is not used.
' (
' )'
* +
* )*
, -
,
Operators Manual
D3655-US
7
$
#%.#. Language
Select from the list of languages.
$%.)/ English
%$*$0 Netherlands
10#%2) French
*$&')/ German
3'# Italian
4"0' Portuguese
$)4#% Spanish
*#%)5 Danish
#.6#0Hungarian
7$)'#
Custom
*0#'$ Display Rate
Select 88
8888
88 or
. Display updates once, twice, three
times or four times per second.
'0#25 Zero Tracking
Select
or
. If set to on, the scale will adjust for
small weight variances. The maximum instantaneous
weight that zero tracking can remove is approximately
0.05% of the scales capacity limit value on the EZ400
or up to 5lbs in the Lock-On weigh method
'/* Weigh Method
Select
88
8888
88 or
. Weigh method allows the operator
to adjust how much processing or number-crunching
the scale processor does to the load cell data before
displaying the weight. See Appendix “C” for details.
"25"% Lock-On
Select thru 9
99
9. A low value, such as a
or
, allows
the system to be more sensitive to animal motion. A
high value, such as an
or 9
99
9, allows the scale to lock
on faster. Use the lowest setting that still allows the
system to lock on consistently.
)2#3* Scale Identification
Identity of scale location (Truck ID or Mixer Number).
5%/* Lock-N-Hold
This feature continues to hold the weight on the display
after the animal has stepped off the platform.
EZ 400
8
#&'"11 Auto Off
Select :88:8;
:88:8;:88:8;
:88:8; or
. This feature allows the
operator to have the indicator automatically shut itself
OFF after either 15, 30, 45 or 60 minutes of inactivity.
This feature will extend battery life on battery powered
scales. Prior to the scale shutting off, the message
“.""*<6$
.""*<6$.""*<6$
.""*<6$” will scroll across the display for
approximately 15 seconds. Pressing a key on the
indicator at any time restart the internal shut-off timer.
%
)'"0$ Lock-On Store
This feature for animal weighing only
))$%* Lock-On-Store Send
This feature for animal weighing only
$0" One-Touch Zero
Operator can “ZERO” scale by pressing only [Zero].
'3$1 Select time format - #(4
#(4#(4
#(4 or
hour
'3$ [Gross/Net] changes time, [Print/Tare] chooses
==.
*#'$1 Select date format
-mm-dd
-mm/dd/yy
-mm/dd/yyyy
-dd-mm :
::
:-dd/mm/yy ;
;;
;-dd/mm/yyyy +
++
+-ddmoyy
-
ddmoyyyy.
*#'$ [Gross/Net] changes date - [Print/Tare] chooses
((,,
((,,((,,
((,,
'#0$#4 If "%
"%"%
"% - tare will automatically send data to the SERIAL
connector.
40' If "N - scale data will be printed on one line.
)2"0$ Select scoreboard output mode -1/sec
-2/sec
-
3/sec
-every conversion :
::
:-display rate ;
;;
;-display
weight change +
++
+-send status 1/sec,
-send
status1/5sec, 9
99
9-Reserved &
-send EID 1/2 sec.
#403%' If "% - pressing keys will auto-print weight values.
2"3% Interface selections, *"%*
*"%**"%*
*"%* = Data Down Loader, $
$$
$
2*
2*2*
2* = Original EZ Commands & $2*
$2*$2*
$2* = EZII Escape
Commands.
40'1' Select alternate & comma (CSV) formats.
2*6 Select seconds to delay before advancing to next line.
2*6 Select seconds to delay before advancing to next line.
Operators Manual
D3655-US
9
$)'' Allows operator to adjust Gross weight of scale by
changing the zero/balance.
&
2"&%' Display Count
Select .8-8-:8-8-8-:888:888:8
8-8-:8-8-8-:888:888:88-8-:8-8-8-:888:888:8
8-8-:8-8-8-:888:888:8 or
.
Indicator displays weight in selected increment.
If the count is set too small, the readings will be
unstable and the indicator will not be accurate.
#0#%.$ Auto-Range
Select
or
. If “ON” the scale increases display
count size for weights over 300 and again at 600
lbs/kgs. If set to “OFF” display counts are set and do
not vary.
For example: 0 to 300 lbs (1 lb Increment), 300 to
600lbs. (2 lbs Increments), 600 and up (5 lbs.
Increments).
<5. Display Unit
Select
or
to determine unit of measure.
When changing weight unit using the long form, the
calibration is adjusted so the scale displays accurately
in the new display unit.
2#4 Enter MAXIMUM weight measurable on scale.
# Increase this number to smoothen weighing.
#
=OFF. Use values less than WMA1-1 for quick
weight response.
# Enter the weight to activate quick weight response.
# Increase this number to smoothen weighing.
#
=OFF. Use values less than WMA2-1 for quick
weight response.
# Enter the weight to activate quick weight response.
Menu 4 is not used.
EZ 400
10
#
The Short Form Setup & Calibration procedure allows you to change
the “SETUP” and “CAL” numbers of the indicator. Setup and calibration
numbers are displayed during the self-test.
Do not attempt to calibrate the scale if the indicator is not reading stable
weights. The calibration procedure will not fix instability, inconsistencies,
or flashing "RANGE" messages.
To run the self test with the indicator already ON:
1. Press [Gross/Net} and then [On/Off] to start the Self Test.
2. Press [On/Off] to "pause" the Self-Test while numbers are
displayed.
3. Press [On/Off] again to allow the self-test to complete normally.
SETUP # _______________ CAL # ________________
SETUP NUMBER
Following is a list of functions that are controlled by the “SETUP”
number:
Weigh Method (W MTHD) Gain
Display Units (LB-KG) Scale Capacity
Display Counts (COUNT)
The “CAL” number is adjusted to make the scale read the proper weight
for different load cells and to make accuracy adjustments on a scale
system. Systems should be checked with known weights and adjusted
if necessary to insure accuracy. Both the setup and calibration
numbers are changed to convert a scale from lbs to kgs.
#'
Write down the current SETUP and CAL numbers of your EZ indicator.
These numbers are displayed during the Self Test. . Press [On/Off] to
"pause" the Self-Test while setup and calibration numbers are
displayed. Press [On/Off] again, to "resume"
SETUP # _______________ CAL # ________________
Operators Manual
D3655-US
11
To accurately calibrate the scale, you will need a large amount of weight
that has a known value. For best results you should have at least as
much weight as the largest load you plan to weigh.
1. Zero-Balance the scale so the display reads zero.
2. Put the KNOWN WEIGHT on the scale platform and write down
the WEIGHT DISPLAY.
Perform the following equation to find the ACCURATE CAL #.
Example:
The KNOWN WEIGHT is 2000lbs, but the WEIGHT DISPLAY is
2080lbs. The EXISTING CAL # is 32500.
2000 / 2080 X 32800 = 31538
31538 is the ACCURATE CAL #. The setup number does not change.
The Short Form Setup & Calibration procedure allows you to change
the “SETUP” and “CAL” numbers of the indicator.
1. Press and hold [Zero], and then press [On/Off] for 3 seconds to
enter the short form calibration.
2. The display will flash “SETUP” and then display the 6-digit
setup number with the right digit flashing. To modify the setup
number:
3. Press [Gross/Net] several times to increment the digit to it
proper value.
4. Press [Tare] to advance the blinking digit to the left.
5. Repeat steps 1 and 2 for each digit as required.
6. Press [On/Off] to enter the new setup number and display the
calibration number.
7. Repeat steps 1 and 2 to modify the calibration number.
8. Press [On/Off] to enter the new calibration number and the
display will go back to normal.
9. Verify the accuracy of the scale.
EZ 400
12
#
Select Weigh Method #1 for general weighing.
()$
The General weigh method is an all-purpose weigh method for weighing
dead loads. It is used for most applications.
()%
The Slow weigh method attempts to provide higher accuracy by filtering
many weight samples over a longer period of time. Small,
instantaneous weight changes have less effect on the displayed weight
using this technique. This method is for weighing dead loads.
()&
The Fast weigh method is more sensitive to weight changes than the
other weigh methods. When a weight changes quickly, the Fast method
tries to determine the new weight as quickly as possible. This is done
by providing less filtering during the actual "weight change." When the
weight begins to stabilize, filtering is increased to provide an accurate
weight display. This method is for weighing dead loads.
*(()
Set to “LOCKON” for animal weighing, this allows scale to weigh active
animals and display an accurate weight that does not fluctuate. Set to
“OFF” for weighing dead weights. Lock-On sensitivity can be adjusted
using the “LOCKON” menu.
Once the actual weight is displayed, the scale “Locks-On” to the
displayed. Weight does not change, even if the motion never stops. A
small ‘L’ appears on the left side of the display indicating the weight is
“Locked-On.” The “Locked-On” weight can be “rechecked” by pressing
[Zero] on the front panel. This breaks the “lock” and the scale
recalculates the weight.
NOTES: Setting the Weigh Method in the Long Form does not affect
the Display Unit LB-KG.
In Weigh Method #1, #2 and #3 the ZTRACK (zero-
tracking) removes up to 0.05% of the scale capacity (as
shown in setup). In Weigh Method #4 the weight that can
be removed is set to 5lbs(2.2kg).
Operators Manual
D3655-US
13
#
"702#4
+
'
The display shows the message "OVRCAP" if the weight on the scale
system exceeds the capacity limit. The capacity value is entered in
SETUP to warn of overloading the scale system.
>0#%.$
+
The display shows the message "+RANGE" if the weight on the scale
system exceeds the maximum weight measurable by the scale system.
The over range value is always the system’s maximum A/D counts
multiplied by the scaling factor. The actual weight at which over range
occurs depends on the calibration, zero, and display count size.
0#%.$
The display shows the message "-RANGE" if the weight on the scale
system is less than the minimum weight measurable by the scale
system. The under range value is always the system’s minimum A/D
counts multiplied by the scaling factor. The actual weight at which under
range occurs will depend on the; calibration, zero, and display count
size.
"
<
#'
'
If the supply voltage drops below the (10.5 Volts), the message
“RECHARGE BATTERY - TURNING OFF” and “LO BAT” will
periodically show on the display to alert the operator of the low battery
condition.
Warning! Disconnect the indicator power cord before jump-
starting or fast charging a battery.
Disconnect all indicator leads before welding on
equipment. Damage may occur to the indicator and
load cells.
Press [Gross/Net] then [On/Off] during normal system operation to start
the self-test.
EZ 400
14
#
!
!
"
"
"
#
$
% &
#
$
% '
Operators Manual
D3655-US
15
(
# ) *+
$ , -
$
.
/ 0
1 2
/ "
"
(
$ 3
) 4 5 6 # #
EZ 400
16
$ 3
$ # 5 6 5
%
7$ 4 8 71$
9 2#
"
(
1
2#
: "
$ , -
)
"
(
# !
:
"
1
2
"
; < "
:
/
